Polystyrene Glue

 
  trawny Train Controller

Location: Victoria
Hi Guys,

I'm working on a architectural project for uni where I think I could use your help.

Just wondering if you have any suggestions for some polystyrene glue?

I'm working on a project where I want a rapid set time and high strength. Doesn't have to be one glue. I have tried PVA thinned with water and spray adhesive specific for foam. The glue need to be sprayed. I'm trying to glue bean bag balls together to create some funky shapes. I am essentially trying to 'spray' the beans and glue at the same time.


Any suggestions would be appreciated.

Cheers Trawny.

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  a6et Minister for Railways

Hi Guys,

I'm working on a architectural project for uni where I think I could use your help.

Just wondering if you have any suggestions for some polystyrene glue?

I'm working on a project where I want a rapid set time and high strength. Doesn't have to be one glue. I have tried PVA thinned with water and spray adhesive specific for foam. The glue need to be sprayed. I'm trying to glue bean bag balls together to create some funky shapes. I am essentially trying to 'spray' the beans and glue at the same time.


Any suggestions would be appreciated.

Cheers Trawny.
trawny

I use Revel glue, but other types are available from hobby shops.  Depends much on what you class as rapid set time, usually the Polystyrene glues set hard & fairly quick but they can be a bit tacky for a short while.

Super glues can be used & you can buy some added rapid set for it to go off quicker.
  Aaron The Ghost of George Stephenson

Location: University of Adelaide SA
I'd be surprised if polystyrene 'glue' from revel (or any solvent based product) would be safe on EPS.

Liquid nails works well on the expanded foam, but is probably not appropriate for bean bag balls.

I would try type of spray on glue used by print framers, the ones I have seen are basically a spray form of contact adhesive, provided it's not going to dissolve the expanded foam it should be okay at sticking them.

That or 'Selley's no more gaps' suitably thinned with water.
  a6et Minister for Railways

I'd be surprised if polystyrene 'glue' from revel (or any solvent based product) would be safe on EPS.

Liquid nails works well on the expanded foam, but is probably not appropriate for bean bag balls.

I would try type of spray on glue used by print framers, the ones I have seen are basically a spray form of contact adhesive, provided it's not going to dissolve the expanded foam it should be okay at sticking them.

That or 'Selley's no more gaps' suitably thinned with water.
Aaron

I actually misread the question up to a point, & agree that contact adhesives would be the way to go, I have used full strength PVA on Styrofoam without any worries & sets hard, although not too rapid.

Ordinary spray glues would affect the balls as well.  Try some of the larger craft stores, or even Spotlight as they have fairly good craft sections.
  Aaron The Ghost of George Stephenson

Location: University of Adelaide SA
Try some of the larger craft stores, or even Spotlight as they have fairly good craft sections.
"a6et"
Good point!

I also thought about hot glue? - But that's not really suited to spraying...

Industrially, when I need EPS in a custom shape we create a mould and fill with EPS balls which are then fused into a mass by heating with steam. Possibly not something you can do (or would even want to do) in a domestic kitchen with a pot of boiling water.
  TheBlacksmith Chief Commissioner

Location: Ankh Morpork
Actually any of the solvent glues are likely to cause the beads to melt or collapse. Your best bet is PVA which is what you have been using. It will take quite some time to set and gain strength though.
  trawny Train Controller

Location: Victoria
thanks for the suggestions. managed to find a quick set pva. so we are giving that a go at the moment. tried a few other glues like zap a gap and a contact adhesive that ate the foam. Tried a contact adhesive specifically for foam but it doesn have the strength so i think PVA is probably our best bet.
  Groundrelay Chief Commissioner

Location: Surrounded by Trolls!
thanks for the suggestions. managed to find a quick set pva. so we are giving that a go at the moment. tried a few other glues like zap a gap and a contact adhesive that ate the foam. Tried a contact adhesive specifically for foam but it doesn have the strength so i think PVA is probably our best bet.
trawny

Just don't get it wet Wink
  David Peters Dr Beeching

Location: "With Hey Boy".
Just don't get it wet Wink
Groundrelay
Yes good point as PVA will turn back into a liquid if exposed to water. Cold water takes longer but will still do it in the end though. Hot or warm water is what modellers use to remove ballast etc from things when glued down with PVA it only takes a minute or two.
  v-locity Station Master

Location: The Frankston Line
5 Minute Araldite or the cheap two part Araldite Rip off from the $2.00 shops always did it for me.

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